<template>
    <div class="icons">
        <swiper>
            <swiper-slide v-for='(page,index) of pages' :key='index'>
                <div class="icon" v-for="item of page" :key='item.id'>
                    <div class="icon-img">
                    <img class="icon-img-content" :src="item.imgURL">
                    </div>
                    <p class="icon-desc">{{ item.desc }}</p>
                </div>
            </swiper-slide>  
        </swiper>       
    </div>
</template>

<script>
export default {
    name: 'HomeIcons',
    props: {
        iconList:Array
    },
    computed: {
        pages () {
            const pages = []
            this.iconList.forEach((item,index) => {
                const page = Math.floor(index / 8)
                if(!pages[page]){
                    pages[page] = []
                }
                pages[page].push(item)
            })
            return pages
        }
    }
}
</script>

<style lang='stylus' scoped>
    @import '~styles/varibles.styl'
    @import '~styles/mixins.styl'
    .icons >>>.swiper-container
        overflow hidden
        height 0
        padding-bottom 50%
    .icons 
        margin-top .1rem
        .icon
            float left
            width 25%
            height 25vw
            position relative
            overflow hidden
            .icon-img
                position absolute
                top 0
                left 0
                bottom .44rem
                right 0
                box-sizing border-box
                padding .1rem
                .icon-img-content
                    height 100%
                    display block
                    margin 0 auto
            .icon-desc
                position absolute
                right 0
                left 0
                bottom 0
                height .44rem   
                line-height .44rem 
                color $darkTextColor 
                text-align center 
                ellipsis()
</style>
